Home / 30,171.04-41,610.72-19,417.60

Finding the Fourth Proportional to 30,171.04, 41,610.72 and 19,417.60

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Solution

The fourth proportional to 30,171.04, 41,610.72 and 19,417.60 is: 26,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.04 : 41,610.72 = 19,417.60 : x
  2. Step 2: Convert to fraction form
    30,171.04/41,610.72 = 19,417.60/x
  3. Step 3: Cross multiply
    30,171.04x = 41,610.72 × 19,417.60
  4. Step 4: Simplify right side
    30,171.04x = 807,980,316.67
  5. Step 5: Solve for x
    x = 807,980,316.67/30,171.04
  6. Step 6: Final answer
    x = 26,780.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.